<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <!-- 引入axios文件 -->
    <script src="./node_modules/axios/dist/axios.min.js"></script>
    <style>
        body{
            margin: 0;
            padding: 30px;
        }
    </style>
</head>
<body>
    <h1>修改用户</h1>
    用户名: <input type="text" class="username"><br>
    密码: <input type="text" class="password"><br>
    <button>提交</button>

    <script>
        //获取从首页index.html携带过来的id的值
        //console.log(location.href) //http://127.0.0.1:5500/edit.html?id=1  --通过href截取
        //console.log(location)//发现它里面的search属性有 ?id=1
        //console.log(location.search)// ?id=1
        //console.log(location.search.replace('?',''))//id=1
        //console.log(location.search.replace('?','').split('='))// ['id', '1']
        //console.log(location.search.replace('?','').split('=')[1])// 1

        //获取id方式一:自己手动解析
        //const id = location.search.replace('?','').split('=')[1]
        //获取id方式二:使用URLSearchParams对象
        const id = new URLSearchParams(location.search).get('id')
        console.log(id)
        
        //发送axios请求,拿到要修改的用户,回显数据
        axios.get(`http://localhost:3000/users/${id}`).then(res=>{
            console.log(res.data)

            //回显数据
            document.querySelector('.username').value = res.data.username
            document.querySelector('.password').value = res.data.password
        })


        //发送axios请求,修改用户
        document.querySelector('button').addEventListener('click',function(){
            //获取用户名和密码
            const username = document.querySelector('.username').value
            const password = document.querySelector('.password').value

            //发送post请求
            axios({
                method:'put',
                url:`http://localhost:3000/users/${id}`,
                data:{username:username,password:password}
            }).then(res=>{
                //跳转到列表页
                location.href = './index.html'
            })
        }) 
    </script>
</body>
</html>